Removed the releases page’s runtime dependency on `fs` and
`process.cwd()` by introducing a build-time manifest generator: release
notes still live as markdown under `src/content/releases`, but a new
script now parses their frontmatter/content, validates that each note
has a release, title, and preview image (and that the image actually
exists), sorts the notes, and emits a typed `generated-release-notes.ts`
file that the app imports at runtime.
Updated the releases loader to return that generated data, changed the
menu releases preview and release JSON-LD to use explicit typed fields
(`title`, `previewImage`) instead of scraping markdown with regex at
runtime, wired the generator into Nx so it runs automatically before
`dev`, `build`, and `typecheck`, and fixed two stale image references in
the release MDX files that the new validation exposed.
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Co-authored-by: prastoin <paul@twenty.com>
